Synonyms for Boast (same or very similar meaning)
WordNet sense 1 (speaking of yourself in superlatives):
boasting, jactitation, self-praiseWordNet sense 2 (wear or display in an ostentatious or proud manner):
feature, sportWordNet sense 3 (show off):
blow, bluster, brag, gas, gasconade, swash, tout, vaunt, shoot a lineFrom the ODE community, based on WordNetadd/edit